---
title: "Joseph Gilmartin, Title 5 System Inspector SI #15138 | Title 5 Roster"
description: "Joseph Gilmartin is a MassDEP-approved Title 5 System Inspector (SI #15138) based in Hanover, MA. Approval expires January 1, 2029 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/joseph-gilmartin-si15138/
---

# Joseph Gilmartin, Title 5 System Inspector (SI #15138)

Joseph Gilmartin is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #15138
* **Approval expires:** January 1, 2029
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Listed under own name
* **Based in:** Hanover, MA
* **County:** Plymouth County

Source: https://neiwpcc.org/wp-content/uploads/2026/10/SI-Instate-10.2.2026.pdf (retrieved 2026-10-12)